Depressed mood states are linked to
low levels of serotonin and
low levels of norepinephrine.
It has been shown that serotonin and norepinephrine are involved in depression, the deficit in either neurotransmitter can cause depression. Thus, these neurotransmitters are targeted in antidepressants. For example, Serotonin-norepinephrine reuptake inhibitors are one of the most commonly used class of antidepressant drugs that treat depressive disorders. The mechanism of this drug is to inhibit the reuptake of serotonin and norepinephrine, which results in their higher concentrations<span>.</span>
The answer is True, i think there are about 700
Lead emission since early 1980s have DECREASE DUE TO LEAD FREE GASOLINE.
Lead is a natural occurring element that is found in small quantity in rocks and soils. Lead emission is an important environmental health issue because a very small quantity of lead can cause adverse effects on the nervous system of unborn babies and young children. Because of this, the government took all necessary measures to ensure that its emission was drastically reduced.
